Level 2 — Security Introduction and Attack Skill Basics

Step 96. Bandit 0–5 — The Wargame Solving Cycle

Step 96. Bandit 0–5 — The Wargame Solving Cycle Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites: Level 1 complete. You’ve connected…
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Step 97. Bandit 6~10 — Mastering Conditional Searches with find

Step 97. Bandit 6~10 — Mastering Conditional Searches with find Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: you’ve finished the…
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Step 98. Bandit 11~15 — Encoding and Network Connections

Step 98. Bandit 11~15 — Encoding and Network Connections Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: you’ve finished the solving…
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Step 99. Bandit 16~20 — First Encounter with setuid

Step 99. Bandit 16~20 — First Encounter with setuid Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: you’ve finished the find…
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Step 100. Bandit 21~25 — The cron Exploitation Mindset

Step 100. Bandit 21~25 — The cron Exploitation Mindset Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: you’ve finished setuid and…
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Step 101. Bandit 26~30 — Digging Secrets from git History, and the Finish Line

Step 101. Bandit 26~30 — Digging Secrets from git History, and the Finish Line Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours…
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Step 102. Natas 0~5 — Opening the Door to Web Wargames

Step 102. Natas 0~5 — Opening the Door to Web Wargames Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: you’ll use…
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Step 103. Natas 6~10 — Reading Server Code and Command Injection

Step 103. Natas 6~10 — Reading Server Code and Command Injection Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: you’ll use…
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Step 104. Natas 11~15 — XOR Analysis and Your First SQL Injection

Step 104. Natas 11~15 — XOR Analysis and Your First SQL Injection Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3.5 hours Prerequisites: the…
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Step 105. ★ Review — Cataloging Wargame Techniques

Step 105. ★ Review — Cataloging Wargame Techniques Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2 hours Prerequisites: you’ve solved Steps 96–104 (Bandit 0–30,…
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Step 106. Linux Permissions Deep Dive — setuid, setgid, sticky bit

Step 106. Linux Permissions Deep Dive — setuid, setgid, sticky bit Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: rwx, ownership, and…
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Step 107. Exploring Linux Logs — /var/log

Step 107. Exploring Linux Logs — /var/log Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites: grep and find from Step 20, process…
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Step 108. Environment Variables and PATH Injection

Step 108. Environment Variables and PATH Injection Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2.5 hours Prerequisites: permissions and sudo from Steps 23–24, setuid…
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Step 109. Symbolic Links and Hard Links — Another Name for a File

Step 109. Symbolic Links and Hard Links — Another Name for a File Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2–3 hours Prerequisites: you’ve…
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Step 110. Project: “The Gaps in Linux’s Permission Model” Reference Document — Reviewing Through an Attacker’s Eyes

Step 110. Project: "The Gaps in Linux’s Permission Model" Reference Document — Reviewing Through an Attacker’s Eyes Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time:…
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Step 111. Installing Kali Linux — Setting Up the Attacker’s Workbench

Step 111. Installing Kali Linux — Setting Up the Attacker’s Workbench Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2–3 hours (excluding download time) Prerequisites:…
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Step 112. Installing Metasploitable2 and Building the Isolated Lab — Completing a Safe Firing Range

Step 112. Installing Metasploitable2 and Building the Isolated Lab — Completing a Safe Firing Range Level 2 — Security Introduction and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2–3 hours…
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Step 113. Reconnaissance 1: A Complete Survey of the Target’s Services — Attacks Begin with Building a List

Step 113. Reconnaissance 1: A Complete Survey of the Target’s Services — Attacks Begin with Building a List Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty…
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Step 114. Reconnaissance 2: Vulnerability Scanners and Reading Their Results — A Scanner Is a Candidate Generator

Step 114. Reconnaissance 2: Vulnerability Scanners and Reading Their Results — A Scanner Is a Candidate Generator Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty ★★★☆☆…
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Step 115. How to Read a CVE: NVD and Exploit-DB — The Story Packed into a Single Number

Step 115. How to Read a CVE: NVD and Exploit-DB — The Story Packed into a Single Number Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty…
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Step 116. Getting Started with Metasploit — The Standard Assembly Plant of Attacks

Step 116. Getting Started with Metasploit — The Standard Assembly Plant of Attacks Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty ★★★☆☆ | Estimated time: 3…
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Step 117. ★ Your First Shell: Taking Over MS2 with the vsftpd Backdoor — Your Life’s First Remote Command Execution

Step 117. ★ Your First Shell: Taking Over MS2 with the vsftpd Backdoor — Your Life’s First Remote Command Execution Level 2 — Introduction to Security and the Basics of Attack Skills…
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Step 118. Bind Shells vs. Reverse Shells — The Connection’s Direction Is Everything

Step 118. Bind Shells vs. Reverse Shells — The Connection’s Direction Is Everything Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty ★★★★☆ | Estimated time: 3…
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Step 119. Mastering netcat — The Swiss Army Knife of Networking

Step 119. Mastering netcat — The Swiss Army Knife of Networking Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites:…
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Step 120. Manual Exploitation 1: Attacking Without a Framework — Reproducing the Button’s Inner Workings by Hand

Step 120. Manual Exploitation 1: Attacking Without a Framework — Reproducing the Button’s Inner Workings by Hand Level 2 — Introduction to Security and the Basics of Attack Skills | Difficulty ★★★★☆…
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Step 121. Manual Exploitation 2: Expanding Your Repertoire — Every Service Opens a Different Door

Step 121. Manual Exploitation 2: Expanding Your Repertoire — Every Service Opens a Different Door Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4…
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Step 122. Password Attack 1: hydra Online Brute Force — An Attack That Knocks on a Living Door

Step 122. Password Attack 1: hydra Online Brute Force — An Attack That Knocks on a Living Door Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ |…
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Step 123. Password Attack 2: John the Ripper Offline Cracking — Stolen Hashes Break in Silence

Step 123. Password Attack 2: John the Ripper Offline Cracking — Stolen Hashes Break in Silence Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time:…
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Step 124. Password Attack 3 — hashcat and Attack Modes

Step 124. Password Attack 3 — hashcat and Attack Modes Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: john and hash-format…
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Step 125. Introduction to Privilege Escalation — From Shell to root

Step 125. Introduction to Privilege Escalation — From Shell to root Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3 hours Prerequisites: the setuid…
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Step 126. Enumeration Automation — linPEAS

Step 126. Enumeration Automation — linPEAS Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: you’ve typed the six manual recon commands…
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Step 127. The Post-Exploitation Checklist — The Beginning After the Shell

Step 127. The Post-Exploitation Checklist — The Beginning After the Shell Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2 hours 30 minutes Prerequisites:…
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Step 128. ★ Project — The MS2 Full-Compromise Report

Step 128. ★ Project — The MS2 Full-Compromise Report Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4 hours Prerequisites: Steps 118–127 — the…
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Step 129. Attacking Another VulnHub Vulnerable VM — Apply the Whole Routine to a Target You’ve Never Seen

Step 129. Attacking Another VulnHub Vulnerable VM — Apply the Whole Routine to a Target You’ve Never Seen Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ |…
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Step 130. ★ Checkpoint: Time-Attack Mock Penetration — Run the Entire Process in 6 Hours

Step 130. ★ Checkpoint: Time-Attack Mock Penetration — Run the Entire Process in 6 Hours Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 7…
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Step 131. Build Your Own Web Server — Login and Sessions

Step 131. Build Your Own Web Server — Login and Sessions Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 94…
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Step 132. Burp Suite 1: Intercepting with a Proxy — Slipping Between Browser and Server

Step 132. Burp Suite 1: Intercepting with a Proxy — Slipping Between Browser and Server Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2…
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Step 133. Burp Suite 2: Repeater and Intruder — The Repeat Experiment Bench and the Automatic Machine Gun

Step 133. Burp Suite 2: Repeater and Intruder — The Repeat Experiment Bench and the Automatic Machine Gun Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ |…
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Step 134. Cookie and Session Attacks — Shaking the ID Card the Server Trusts

Step 134. Cookie and Session Attacks — Shaking the ID Card the Server Trusts Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours…
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Step 135. DVWA Setup and SQLi Basics — Crossing Low and Medium

Step 135. DVWA Setup and SQLi Basics — Crossing Low and Medium Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3.5 hours Prerequisites: SQL…
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Step 136. SQLi Advanced — Dumping the Entire Database with UNION

Step 136. SQLi Advanced — Dumping the Entire Database with UNION Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3.5 hours Prerequisites: Step 135’s…
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Step 137. Blind SQLi & sqlmap — Extracting Even When Nothing Shows

Step 137. Blind SQLi & sqlmap — Extracting Even When Nothing Shows Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3.5 hours Prerequisites: Step…
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Step 138. XSS Basics — Reflected & Stored, the Traitor Inside the Browser

Step 138. XSS Basics — Reflected & Stored, the Traitor Inside the Browser Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3 hours Prerequisites:…
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Step 139. XSS Advanced: Cookie Theft & Filter Bypass — Beyond alert, Stealing Sessions

Step 139. XSS Advanced: Cookie Theft & Filter Bypass — Beyond alert, Stealing Sessions Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4 hours…
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Step 140. CSRF: Request Forgery — The Victim’s Browser Clicks for You

Step 140. CSRF: Request Forgery — The Victim’s Browser Clicks for You Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3 hours Prerequisites: Step…
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Step 141. File Upload Attack: Web Shell — From a Board Post to Server Takeover

Step 141. File Upload Attack: Web Shell — From a Board Post to Server Takeover Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4…
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Step 142. Web Shell Advanced: Writing Your Own & the Principles — Building the One-Line Door Yourself

Step 142. Web Shell Advanced: Writing Your Own & the Principles — Building the One-Line Door Yourself Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated…
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Step 143. Command Injection — The Moment a Search Box Becomes the Server’s Terminal

Step 143. Command Injection — The Moment a Search Box Becomes the Server’s Terminal Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3 hours…
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Step 144. File Inclusion: LFI/RFI — I Choose the File the Server “Reads for Me”

Step 144. File Inclusion: LFI/RFI — I Choose the File the Server "Reads for Me" Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3…
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Step 145. Directory Busting & Information Exposure — The “If They Don’t Know the Address, It’s Safe” Fallacy

Step 145. Directory Busting & Information Exposure — The "If They Don’t Know the Address, It’s Safe" Fallacy Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ |…
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Step 146. Authentication Attacks, Combined — Four Ways to Knock on the Front Door

Step 146. Authentication Attacks, Combined — Four Ways to Knock on the Front Door Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 4 hours…
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Step 147. ★ DVWA All Difficulty Levels + the Three-Tier Summary Table — What It Means to “Completely” Know One Vulnerability

Step 147. ★ DVWA All Difficulty Levels + the Three-Tier Summary Table — What It Means to "Completely" Know One Vulnerability Level 2 — Introduction to Security and Attack Skill Basics |…
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Step 148. OWASP Juice Shop 1: Introduction to the Modern Web App — The Attack Stage Has Changed

Step 148. OWASP Juice Shop 1: Introduction to the Modern Web App — The Attack Stage Has Changed Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ |…
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Step 149. Juice Shop 2 — Access Control and IDOR

Step 149. Juice Shop 2 — Access Control and IDOR Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites: Step 148 (Juice…
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Step 150. Juice Shop 3 — JWT and Business Logic

Step 150. Juice Shop 3 — JWT and Business Logic Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 149 complete.…
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Step 151. Dreamhack Web Introduction — Your First Real Problems

Step 151. Dreamhack Web Introduction — Your First Real Problems Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites: through Step 150…
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Step 152. Dreamhack Web (Cumulative 16) — Recognizing Techniques in Disguise

Step 152. Dreamhack Web (Cumulative 16) — Recognizing Techniques in Disguise Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 151…
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Step 153. DreamHack Web (Running Total: 24) — Breaking Through with Research

Step 153. DreamHack Web (Running Total: 24) — Breaking Through with Research Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step…
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Step 154. DreamHack Web (Running Total: 32) — Your Weakness List and Problem-Picking Strategy

Step 154. DreamHack Web (Running Total: 32) — Your Weakness List and Problem-Picking Strategy Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours…
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Step 155. ★ Project — Independent Assault on a Vulnerable Web Target, with a Report

Step 155. ★ Project — Independent Assault on a Vulnerable Web Target, with a Report Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4…
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Step 156. MITM Primer — ARP Spoofing 1: A Protocol with No ID Card

Step 156. MITM Primer — ARP Spoofing 1: A Protocol with No ID Card Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours…
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Step 157. ARP Spoofing 2 — Bidirectional Interception and the End of Plaintext

Step 157. ARP Spoofing 2 — Bidirectional Interception and the End of Plaintext Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 3 hours Prerequisites:…
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Step 158. Packet Sniffing Advanced — The Two Faces of Filters and Reassembling Conversations

Step 158. Packet Sniffing Advanced — The Two Faces of Filters and Reassembling Conversations Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours…
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Step 159. DNS Spoofing and bettercap — Swapping Out the Phone Book

Step 159. DNS Spoofing and bettercap — Swapping Out the Phone Book Level 2 — Network Attacks and MITM | Difficulty ★★★★☆ | Estimated time: 4 hours Prerequisites: Steps 156~157 (ARP spoofing)…
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Step 160. SSL/TLS and HSTS — The ID-Card System That Stops the Man in the Middle

Step 160. SSL/TLS and HSTS — The ID-Card System That Stops the Man in the Middle Level 2 — Network Attacks and MITM | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites:…
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Step 161. Firewalls and iptables — Designing the Gatekeeper’s Rules

Step 161. Firewalls and iptables — Designing the Gatekeeper’s Rules Level 2 — Network Attacks and MITM | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 28 (port scanning) and Step…
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Step 162. Proxies and Anonymity — The Art of Hiding Behind a Stand-In, and Its Limits

Step 162. Proxies and Anonymity — The Art of Hiding Behind a Stand-In, and Its Limits Level 2 — Network Attacks and MITM | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites:…
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Step 163. SSH Tunneling and Port Forwarding — Loading Other Roads onto an Encrypted Passage

Step 163. SSH Tunneling and Port Forwarding — Loading Other Roads onto an Encrypted Passage Level 2 — Network Attacks and MITM | Difficulty ★★★★☆ | Estimated time: 4 hours Prerequisites: Step…
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Step 164. Enumeration Tools, Complete Review — A System for Flipping Every Stone

Step 164. Enumeration Tools, Complete Review — A System for Flipping Every Stone Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites:…
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Step 165. Password Spraying and Credential Stuffing — Attacks That Walk Sideways Past the Lock

Step 165. Password Spraying and Credential Stuffing — Attacks That Walk Sideways Past the Lock Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3…
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Step 166. Wireless Security: WPA2 and the Handshake — Key Material Floating in the Air

Step 166. Wireless Security: WPA2 and the Handshake — Key Material Floating in the Air Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2.5…
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Step 167. Social Engineering: Hacking Humans — One Email That Bypasses the Firewall

Step 167. Social Engineering: Hacking Humans — One Email That Bypasses the Firewall Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites:…
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Step 168. Malware Structure: Trojans and Ransomware — Dissecting Without Building

Step 168. Malware Structure: Trojans and Ransomware — Dissecting Without Building Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 167…
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Step 169. Encryption and Detection Evasion Concepts — The Arms Race Between the Hiders and the Seekers

Step 169. Encryption and Detection Evasion Concepts — The Arms Race Between the Hiders and the Seekers Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated…
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Step 170. Introduction to OSINT — Social Media Collection and Digital Footprints

Step 170. Introduction to OSINT — Social Media Collection and Digital Footprints Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★☆☆☆ | Estimated time: 2 hours 30 minutes…
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Step 171. OSINT Advanced — Subdomain and Asset Enumeration

Step 171. OSINT Advanced — Subdomain and Asset Enumeration Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 2 hours 30 minutes Prerequisites: the name-resolution…
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Step 172. ★ Capstone Scenario 1 — From Recon to Shell

Step 172. ★ Capstone Scenario 1 — From Recon to Shell Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★☆ | Estimated time: 4 hours Prerequisites: Steps 113~119…
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Step 173. Scenario 1 Review and Penetration Report — The Skill of Weaving Records into a Document

Step 173. Scenario 1 Review and Penetration Report — The Skill of Weaving Records into a Document Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated…
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Step 174. Capstone Scenario 2: Web Intrusion → Internal Expansion — One Entrance Opens Everything

Step 174. Capstone Scenario 2: Web Intrusion → Internal Expansion — One Entrance Opens Everything Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★★★ | Estimated time: 6…
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Step 175. Level 2 Comprehensive Assessment: The Attack/Defense Response Table — Completing Two-Sided Thinking

Step 175. Level 2 Comprehensive Assessment: The Attack/Defense Response Table — Completing Two-Sided Thinking Level 2 — Introduction to Security and Attack Skill Basics | Difficulty ★★★☆☆ | Estimated time: 5 hours…
읽기 →